/// <reference types="react" />
declare type FieldNames = {
    title: string;
    key: string;
    children: string;
};
export declare type NodePos = number[];
export declare const getHelper: <T extends object>(refs: {
    root: T;
}, fieldNames: FieldNames, clone?: (<N extends T>(node: N) => N) | undefined) => {
    readonly dataSource: any[] | undefined;
    take(x: any): {
        key: import("react").Key | undefined;
        title: string | undefined;
        children: any[] | undefined;
    };
    getPos(n: T): any;
    posToParents(pos: NodePos): any[];
    posToPath(pos: NodePos): string | undefined;
    getNodeAtPos(pos: NodePos | null): T | null;
    append(pos: NodePos, method?: 'push' | 'unshift' | 'replace', ...nodes: T[]): void;
    copy(pos: NodePos, neo?: T | undefined): void;
    remove(pos: NodePos): void;
    move(before: NodePos, after: NodePos): void;
};
export {};